.scroll_to_top {
  	display: inline-block;
  	vertical-align:middle;
  	background-image: url(/static/pc/images/icons/icon.png);
  	background-position: -41px 0px;
  	width:41px;
  	height:40px;
  	background-size:82px 40px;
    background-repeat: no-repeat;
}
.scroll_to_top_active {
  	display: inline-block;
  	vertical-align:middle;
  	background-image: url(/static/pc/images/icons/icon.png);
  	background-position: 0px 0px;
  	width:41px;
  	height:40px;
  	background-size:82px 40px;
    background-repeat: no-repeat;
}